20332043 has 2 divisors, whose sum is σ = 20332044. Its totient is φ = 20332042.

The previous prime is 20331989. The next prime is 20332079. The reversal of 20332043 is 34023302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20332043 - 2¹² = 20327947 is a prime.

It is not a weakly prime, because it can be changed into another prime (20332243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166021 + 10166022.

It is an arithmetic number, because the mean of its divisors is an integer number (10166022).

Almost surely, 2^20332043 is an apocalyptic number.

20332043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332043 is an equidigital number, since it uses as much as digits as its factorization.

20332043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 20332043 is about 4509.1066742760. The cubic root of 20332043 is about 272.9356966808.

Adding to 20332043 its reverse (34023302), we get a palindrome (54355345).

The spelling of 20332043 in words is "twenty million, three hundred thirty-two thousand, forty-three".